🇰🇷 Weather in Jeju City
Current Weather in Jeju City
24°C
Feels like 29°C. Overcast.
🌬️ 4 km/h SSW
💧 89% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 22°C
🌅 Sunrise: 05:58 AM
🌇 Sunset: 07:17 PM
Map Overlays:
Hourly Forecast for Jeju City
06:00
24°
27%
07:00
25°
28%
08:00
26°
29%
09:00
27°
45%
10:00
27°
71%
11:00
27°
73%
12:00
27°
65%
13:00
27°
66%
14:00
27°
71%
15:00
27°
65%
16:00
27°
52%
17:00
27°
19%
18:00
27°
52%
19:00
26°
28%
20:00
26°
57%
21:00
25°
13%
22:00
25°
20%
23:00
25°
29%
00:00
25°
31%
01:00
25°
27%
02:00
25°
28%
03:00
24°
29%
04:00
24°
27%
05:00
24°
25%
14-Day Forecast for Jeju City
Tue, Aug 18
Light rain shower
27° /
24°
Wed, Aug 19
Patchy rain nearby
29° /
24°
Thu, Aug 20
Sunny
30° /
24°
Fri, Aug 21
Overcast
30° /
25°
Sat, Aug 22
Patchy rain nearby
30° /
24°
Sun, Aug 23
Patchy rain nearby
28° /
25°
Mon, Aug 24
Patchy rain nearby
29° /
24°
Tue, Aug 25
Partly Cloudy
27° /
24°
Wed, Aug 26
Sunny
26° /
22°
Thu, Aug 27
Patchy rain nearby
24° /
21°
Fri, Aug 28
Sunny
23° /
21°
Sat, Aug 29
Patchy rain nearby
24° /
21°
Sun, Aug 30
Patchy rain nearby
23° /
20°
Mon, Aug 31
Patchy rain nearby
23° /
21°
Additional Forecasts for Jeju City
Marine Forecast
🌊 Sig. Wave Height
0.2 m
🌡️ Water Temp
27.4°C
〰️ Swell Height
m
🧭 Swell Direction
SE
⏱️ Swell
Period 4.8s
Tide Forecast
🔼 HIGH2026-08-18 01:32 (1.86m)
🔽 LOW2026-08-18 08:18 (0.25m)
🔼 HIGH2026-08-18 14:35 (1.93m)
🔽 LOW2026-08-18 21:02 (0.89m)
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 243.0
μg/m³
O₃ (Ozone) 110.0
μg/m³
NO₂ (Nitrogen Dioxide) 3.4 μg/m³
SO₂ (Sulphur Dioxide) 1.8
μg/m³
PM2.5 (Fine particles) 5.8 μg/m³
PM10 (Coarse particles) 8.0 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in South Korea
Learn More about Weather
FAQ — Weather in Jeju City
Common questions about this page — answers customized for the data shown above.
The current weather in Jeju City is overcast with a temperature of 24°C (feels like 29°C). Humidity is at 89% and wind speed is 4 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for Jeju City shows patchy rain nearby with a high of 29°C and a low of 24°C. There is a 46% chance of rain. Tomorrow’s sunrise and sunset times for Jeju City are also available.
Over the next 7 days in Jeju City, temperatures are forecast to range from a low of 24°C to a high of 30°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see South Korea city pages.
Based on the latest forecast, rain is likely in Jeju City on Tuesday and Sunday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Friday is forecast to be the warmest day in Jeju City this week, with a high of 30°C and overcast conditions expected.
Jeju City sits at approximately 33.5° north latitude, which generally produces a temperate or subtropical climate, with warm summers, mild winters and moderate seasonal variation. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Jeju City is generally April to June and September to October (Northern Hemisphere spring and autumn) — outside the extremes of summer heat and winter chill. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Jeju City follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.